System Sensor SR Category : System Sensor This unit is exactly the same as my other System Sensor SR. Brand System SensorModel SRManufacturer System SensorType Alarm (Remote Strobe)
Amseco BZ-51-PC2 Category : AmsecoI like the grille, or in other words, have nothing special to say about this particular unit.
Faraday 6234 Category : FaradayThis alarm uses an electromechanical horn. It is the same horn found on the Simplex 2901-9838.